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磁铁矿 水晶矩晶体 - 高度: 8 cm - 宽度: 4 cm- 350 g
编号 83642127
编号 83642127
Very interesting specimen with several black magnetite crystals present here and there, particularly inside the geode and on a side.
It was etched to highlight the magnetites from the calcite where they were embedded.
It is sawn to reduce the volume of the matrix.